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Just with regards to possible sources of infestation, are there any rodent
baits in ceiling voids or to offices, etc.?
We have also had a huge issue with Stegobium and Lasioderma in starch-based
packing noodles. The noodles have been used to replace inorganic styrofoam
packaging, but it is very attractive to beetles. Several infestations of
collections have been traced back to this style of packing material.
Best wishes
Alex
On Sat, 28 Oct 2017 at 3:05 am, Dianna Krejsa <dianna.kre...@angelo.edu>
wrote:
> This is a message from the Museumpests.net List.
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> -----------------------------------------------------------
>
> Joel--
>
>
> Thank you for your suggestion. After we perform our second aerosol
> treatment, we will implement pheromone traps. The collection is near a
> couple faculty offices, molecular and zoology lab spaces, and hallways with
> a couple vending machines and trashcans. Insects don't seem to be an
> obvious problem out there, but food and drink are potentially nearby.
>
>
>
>
> [image: ASU]
>
> *Dianna M. Krejsa *
> *Collections Manager, Angelo State Natural History Collections*
> Angelo State University
> Member, Texas Tech University System
> ASU Station #10890
> San Angelo, TX 76909-0890
> Phone: (325) 486-6699
> Office: Cavness 015
> dkre...@angelo.edu <robert.dow...@angelo.edu>
>
> <robert.dow...@angelo.edu>
> ------------------------------
> *From:* pestlist-ow...@museumpests.net <pestlist-ow...@museumpests.net>
> on behalf of Voron, Joel <jvo...@cwf.org>
> *Sent:* Thursday, October 26, 2017 1:04:13 PM
> *To:* pestlist@museumpests.net
> *Subject:* Re: [pestlist] Persistent pest issue
>
> This is a message from the Museumpests.net List.
> To post to this list send it as an email to pestlist@museumpests.net
> To unsubscribe look at the footer of this email.
> -----------------------------------------------------------
> Pheromone traps would be a great way to pinpoint the location of origin of
> the beetles. If the current treatment plan fails I would suggest going that
> route. I am still curious about office spaces and or break rooms? JTV
>
>
>
>
>
> Joel Voron Colonial Williamsburg Foundation
>
> Conservation Dept.
>
> Integrated Pest Management
>
> Office 757-220-7080
>
> Cell 757-634-1175
>
> E-Mail jvo...@cwf.org
>
>
>
>
>
>
> On Oct 26, 2017, at 1:36 PM, Voron, Joel <jvo...@cwf.org> wrote:
>
> This is a message from the Museumpests.net List.
> To post to this list send it as an email to pestlist@museumpests.net
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> -----------------------------------------------------------
>
> Thank you for you submission. Are there any offices or break rooms in or
> near the space that has had issues? JTV
>
>
> *Joel Voron **Colonial Williamsburg Foundation*
>
> Conservation Dept.
>
> Integrated Pest Management
>
> Office 757-220-7080
>
> Cell 757-634-1175
>
> E-Mail jvo...@cwf.org
>
>
>
> <OutlookEmoji-1474552137245_IMG_0499.JPG0644abbd-de1f-4106-a05a-ddd08fb1f4e1.jpg>
>
>
>
> ------------------------------
> *From:* pestlist-ow...@museumpests.net <pestlist-ow...@museumpests.net>
> on behalf of Dianna Krejsa <dianna.kre...@angelo.edu>
> *Sent:* Thursday, October 26, 2017 12:46:40 PM
> *To:* pestlist@museumpests.net
> *Subject:* [pestlist] Persistent pest issue
>
> This is a message from the Museumpests.net List.
> To post to this list send it as an email to pestlist@museumpests.net
> To unsubscribe look at the footer of this email.
> -----------------------------------------------------------
>
> Hi everyone,
>
>
>
> I am the Collections Manager at the Angelo State Natural History
> Collections. We have a persistent pest problem with a number of insect
> species entering the collections (seasonal crickets, ground beetles), but
> only a few that are imminent dangers to our collections--what we believe to
> be drugstore beetles (*Stegobium paniceum*) in the skins collection, and
> clothes moths (*Tineola bisselliella*) in low density in a skull
> collection where wool was formerly stored. Please see the attached photos
> for what species we are dealing with. We have historically used freezing
> and isolation to manage pest outbreaks, but the degree of pest exposure is
> greater at this time. Our collection cases are elevated, the door seals are
> generally in good shape, and we use and monitor sticky traps
>
>
>
> Specimens--and, at times, cases--with beetles are frozen at -20C for 2wks
> when positive for pests or pest frass, but the number of cases with pests
> exceed our freezer capacity. Live drugstore beetles have been found in one
> collection room on the floor as well as on the tops of cases. We have
> fogged the room with CB-80 (0.05% pyrethrin, nonresidual) with case doors
> closed. We plan to fog again two weeks after this initial fogging to catch
> any larva that may have hatched since the first treatment.
>
>
>
> The collections room has some degree of shelving, books, etc. that
> may harbor pests. Fogging the room we hope rids them from those habitats.
> The collections are housed within an older biology building. We don't have
> the resources to do major facilities work, but if there are suggestions for
> better sequestering our collections through some facilities upgrades I'd be
> glad to hear it. There are drugstore beetles in rooms within the biology
> building outside of the collections and I fear they simply re-enter after
> we fumigate. Tight door sweeps have been installed and windows (where they
> exist) have been re-sealed. I am working on potentially getting additional
> filters or fine screens installed for our HVAC ducts.
>
>
>
> My questions for you all:
>
> 1. Are we correct in our pest identifications? Striations appear on
> the elytra of the beetles, and they do possess the characteristic antenna
> of drugstore beetles (though this doesn't show up in my photos).
> 2. For drugstore beetle infestations in particular, does anyone have
> specific recommendations?
> 3. Is anyone using fogging? Did you leave the doors to your cases open
> during fogging? Has anyone used CB-80 as a museum-approved aerosol?
>
>
>
> I would be happy to provide additional useful details. Thank you in
> advance.
>
>
>
> Dianna
>
>
> [image: ASU]
>
> *Dianna M. Krejsa *
> *Collections Manager, Angelo State Natural History Collections*
> Angelo State University
> Member, Texas Tech University System
> ASU Station #10890
> San Angelo, TX 76909-0890
> Phone: (325) 486-6699
> Office: Cavness 015
> dkre...@angelo.edu <robert.dow...@angelo.edu>
>
> <robert.dow...@angelo.edu>
>
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--
*Alex Roach*
*Director*
Modified Atmospheres
*M:* 0414 663 472
ABN: 66 164 577 557
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